Hoerbiger Rotary Solutions
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MULTI-PASSAGE SOFT-SEAL ROTATING UNIONS w w w . d e u b l i n . c o m

DEUBLIN Multi-Passage Soft-Seal Rotating Unions A rotating union connects a stationary pressurized supply line to a rotating machine part such as a cylinder, roll, spindle, clutch, etc. It can be used to convey virtually any liquid or gas: steam for heating, water or water/glycol solutions for cooling, hydraulic fluids, cutting fluids, air, inert gas, or even vacuum. The task becomes more complicated when more than one media must be conveyed simultaneously. This is the role of a multi-passage union – to provide multiple, independent passages for the same or several different media to...

DEUBLIN Multi-Passage Sealing Solutions Deublin multi-passage soft-seal unions are optimized for the operating parameters of the application such as speed, torque, media pressure, operating temperature, physical size and other factors. Hardened chrome sealing surfaces are standard to ensure minimal wear and long service life. Plastomeric Seals – a combination of plastic and elastomer – offer superior resistance to high temperatures and pressures compared to traditional elastomers. Seal geometry and treatment of the rotor mating surface are carefully matched to the media, rotational speed,...

DEUBLIN Product Definition Deublin multi-passage soft-seal rotating unions can be used in the widest variety of applications and media. Typical media includes the following: • Hydraulic Oil • Argon • Water • Grease • Water-Glycol • Coolant • Nitrogen • Vacuum For media not listed above, please contact Deublin. PERFORMANCE GRAPH BY MEDIA Hydraulic Oil, Water-Glycol Water Lubricated Compressed Air Linear Speed (m/sec) TYPICAL MEDIA & OPERATING CONDITIONS Media Note: Typical speeds ≤ 50 RPM Maximum rotational speed is a function of media, pressure and rotor diameter (see above chart). For...

DEUBLIN Product Definition Deublin offers Multi-Passage Soft-Seal rotating unions that are standard, semi-custom and custom. When possible, Deublin recommends standard models, but will recommend semi-custom or custom models depending on the unique requirements of each application. STANDARD FEATURES • • Flanged rotor: AISI 420 with aluminum housing Bearings: dual, widely-spaced ball bearings ensure smooth running and minimize impact of potential side-loading Custom unions have no limitation on dimensions, port sizes, port connection specifications and center bore dimensions. Semi-Custom...

Deublin designs and manufactures a complete range of rotating unions from simple, single channel models used to prevent flex-hoses from twisting, to 12-port unions used on machine tool index tables, to massive, multi-channel unions used for ladle turrets in continuous casting machines. Deublin Multi-Passage Soft-Seal unions are used in applications that may require air, water, oil, grease, argon and other media. Application: Machine Tool index table Passages: 8 with large center bore Application: Machine Tool Passages: 12 Application: General Passages: 4 + 1 drain Application: Ladle Turret...

Application: Index Table Passages: 16 Multi-Passage Soft-Seal unions can be combined with Electrical Slip Rings Application: Coil Winding Passages: 6 Application: Steel Plant Passages: 5 with large center bore

Since its founding in 1945 as a small, family-owned business, Deublin consistently has adhered to a policy of designing and building the best products of their kind in the world. The result of this policy has been constant growth through the years, and for this we are grateful to our many loyal customers. Today, Deublin is the world’s largest manufacturer of rotating unions, with state-of-the-art factories, technical sales and service, and local stocking in 15 countries on four continents, as well as a worldwide distribution network operating from more than 60 countries. Our global...